87043565315 has 16 divisors (see below), whose sum is σ = 119425137600. Its totient is φ = 59661463680.

The previous prime is 87043565309. The next prime is 87043565321. The reversal of 87043565315 is 51356534078.

It is an interprime number because it is at equal distance from previous prime (87043565309) and next prime (87043565321).

It is not a de Polignac number, because 87043565315 - 2³² = 82748598019 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 87043565315.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 449240 + ... + 613109.

It is an arithmetic number, because the mean of its divisors is an integer number (7464071100).

Almost surely, 2^87043565315 is an apocalyptic number.

87043565315 is a deficient number, since it is larger than the sum of its proper divisors (32381572285).

87043565315 is a wasteful number, since it uses less digits than its factorization.

87043565315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064702.

The product of its (nonzero) digits is 1512000, while the sum is 47.

The spelling of 87043565315 in words is "eighty-seven billion, forty-three million, five hundred sixty-five thousand, three hundred fifteen".